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.memory-workspace{display:grid;grid-template-columns:300px minmax(0,1fr);gap:1rem;align-items:start}.word-browser{position:sticky;top:1rem;max-height:82vh;overflow:auto}.word-list{display:grid;gap:.45rem;margin-top:1rem}.word-card{width:100%;display:grid;grid-template-columns:1fr auto;gap:.5rem;text-align:left;background:#f7faf8;color:var(--ink);border-color:var(--line);padding:.75rem}.word-card span{display:block;color:#65716b;font-weight:500;font-size:.8rem}.word-card small{color:#65716b}.word-card.active{background:var(--green);color:#fff}.word-card.active span,.word-card.active small{color:#dcebe4}
.word-header{display:flex;justify-content:space-between;gap:1rem}.word-header h2{font:700 clamp(2.5rem,7vw,5rem) Georgia,serif;margin:.2rem 0}.pronunciation{font-size:1.15rem;color:#65716b}.meaning-cn{font-size:1.5rem;font-weight:700}.word-status{align-self:start;border-radius:999px;padding:.45rem .7rem;background:#edf4ef;color:var(--green);font-weight:700}.source-badge{display:inline-block;margin-top:.35rem;padding:.3rem .55rem;border-radius:999px;background:#e7f1eb;color:var(--green);font-size:.8rem;font-weight:750}.word-metadata{display:flex;gap:.5rem;flex-wrap:wrap}.word-metadata span{padding:.35rem .6rem;border-radius:999px;background:#eef3ee;color:#52625a;font-size:.82rem}
.fold-panel{margin:1.25rem 0;border-top:1px solid var(--line)}.fold-panel>summary{cursor:pointer;list-style:none;padding:1rem 0 0;color:var(--green);font-weight:750;letter-spacing:.06em;text-transform:uppercase}.fold-panel>summary::-webkit-details-marker{display:none}.fold-panel>summary::after{content:"＋";float:right;font-size:1.15rem}.fold-panel[open]>summary::after{content:"－"}.confusion-box{background:#fff3d5;border-left:4px solid #d4a928;padding:1rem;margin:.85rem 0 0}.confusion-box p{margin:0}.context-panel{padding-top:.1rem}.context-panel blockquote,.practice-sentence{font:500 1.25rem/1.55 Georgia,serif;margin:1rem 0;padding:1rem 1.2rem;background:#f6f9f6;border-left:4px solid var(--green)}.practice-sentence:empty{display:none}
.practice-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.25rem}.practice-box{background:#f5f8f5;border:1px solid var(--line);border-radius:14px;padding:1rem}.practice-box h3{margin-top:0}.practice-box[hidden],.context-fold[hidden],.personal-context-fold[hidden]{display:none}.recognition-options{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-top:.8rem}.recognition-option{background:#fff;color:var(--green);border-color:var(--line);text-align:left}.recognition-option:hover,.recognition-option.selected{border-color:var(--green);background:#e7f1eb}.review-answer{font:500 1.15rem/1.55 Georgia,serif;margin:1rem 0;padding:1rem;background:#fff;border-left:4px solid var(--green)}
.memory-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid var(--line)}
@media(max-width:980px){.memory-workspace{grid-template-columns:1fr}.word-browser{position:static;max-height:none}.word-list{grid-template-columns:repeat(2,minmax(0,1fr))}.recommendation-card{grid-template-columns:1fr 1fr}.recommendation-card button{grid-column:1 / -1;justify-self:start}}
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